A195678 Smallest possible largest element of a 4 by n average array where repetitions are allowed with diagonals.

64, 115, 1217, 1477206, 96672, 136644591, 3640452, 6347782194286, 72339267, 4159327027119583, 5595833084, 58866692131428799, 216432682702

Offset: 3

Author

Kausthub Gudipati, Sep 24 2011

Keywords

• nonn

Comments

Here, an average array is an array of positive integers such that each number is the average of the numbers in its horizontally, vertically and diagonally adjacent cells.

Links

• Erich Friedman, Problem of the month March 1999